DTC Descriptor
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- DTC U0073 00
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Control Module Communication Bus Off
- DTC U0073 71
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ECU HS Bus Off
- DTC U0073 72
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ECU LS Bus Off
- DTC U2100 00
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Controller Area Network (CAN) Bus Communication
- DTC U2100 47
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Controller Area Network (CAN) Bus Communication